/*
 * Copyright 2002-2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springframework.integration.samples.storedprocedure;

import java.util.List;
import java.util.Scanner;

import org.apache.log4j.Logger;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import org.springframework.integration.model.CoffeeBeverage;
import org.springframework.integration.service.CoffeeService;


/**
 * Starts the Spring Context and will initialize the Spring Integration routes.
 *
 * @author Gunnar Hillert
 * @since 2.1
 *
 */
public final class Main {

    private static final Logger LOGGER = Logger.getLogger(Main.class);

    private static final String LINE    = "\n=========================================================";
    private static final String NEWLINE = "\n                                                         ";

    private Main() { }

    /**
     * Load the Spring Integration Application Context
     *
     * @param args - command line arguments
     */
    public static void main(final String... args) {

        LOGGER.info(LINE
                  + LINE
                  + "\n    Welcome to Spring Integration Coffee Database!       "
                  + NEWLINE
                  + "\n    For more information please visit:                   "
                  + "\n    http://www.springsource.org/spring-integration       "
                  + NEWLINE
                  + LINE );

        final AbstractApplicationContext context =
                new ClassPathXmlApplicationContext("classpath:META-INF/spring/integration/*-context.xml");

        context.registerShutdownHook();

        final Scanner scanner = new Scanner(System.in);

        final CoffeeService service = context.getBean(CoffeeService.class);

        LOGGER.info(LINE
                  + NEWLINE
                  + "\n    Please press 'q + Enter' to quit the application.    "
                  + NEWLINE
                  + LINE);

        System.out.print("Please enter 'list' and press <enter> to get a list of coffees.");
        System.out.print("Enter a coffee id, e.g. '1' and press <enter> to get a description.\n\n");

        while (!scanner.hasNext("q")) {

        	String input = scanner.nextLine();

        	if ("list".equalsIgnoreCase(input)) {
        		List<CoffeeBeverage> coffeeBeverages = service.findAllCoffeeBeverages();

        		for (CoffeeBeverage coffeeBeverage : coffeeBeverages) {
        			System.out.println(String.format("%s - %s", coffeeBeverage.getId(),
        					                                    coffeeBeverage.getName()));
        		}

        	} else {
        		System.out.println("Retrieving coffee information...");
                String coffeeDescription = service.findCoffeeBeverage(Integer.valueOf(input));

            	System.out.println(String.format("Searched for '%s' - Found: '%s'.", input, coffeeDescription));
                System.out.print("To try again, please enter another coffee beaverage and press <enter>:\n\n");
        	}

        }

        LOGGER.info("Exiting application...bye.");

        System.exit(0);

    }
}
